Leucanthemum vulgare is a species of flowering plant commonly known as the oxeye daisy, dog daisy, or field daisy. This plant is widely distributed across Europe and Asia and is also naturalized in North America and Australia. The oxeye daisy got its name from its large, bright yellow and white flowers with a dark center that resemble the eye of an ox. Some other common synonyms for Leucanthemum vulgare include Chrysanthemum leucanthemum, Leucanthemum maximum, and the common names of moon daisy, dog flower, and marguerite. The plant is widely cultivated as an ornamental and is also used in traditional medicine for various ailments.